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Only the Silver Edition of the Pro version is planned to support NFC. I don't yet know about the WiFi 11ac support. Currently only the models with Helio X27 (Z and Z Pro) support it. On the other hand, you need an SSD drive to be able to enjoy the 11ac speed. On a smartphone currently it gives you nothing, that you can realize as a performance gain, except benchmark apps.
Segun dice el moderador de los foros de umidigi lo llevará el cromado que seráun atrapahuellas caro y con una funda negra encima. Je je je.